GB347229A - - Google Patents

Info

Publication number
GB347229A
GB347229A GB2586/30A GB258630A GB347229A GB 347229 A GB347229 A GB 347229A GB 2586/30 A GB2586/30 A GB 2586/30A GB 258630 A GB258630 A GB 258630A GB 347229 A GB347229 A GB 347229A
Authority
GB
United Kingdom
Prior art keywords
mercury
switch
arm
tube
lever
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2586/30A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB347229A publication Critical patent/GB347229A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • A61G15/02—Chairs with means to adjust position of patient; Controls therefor

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Stopping Of Electric Motors (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
GB2586/30A 1929-09-16 1930-01-24 Expired GB347229A (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39287929A 1929-09-16 1929-09-16
US530824A US1952384A (en) 1929-09-16 1931-04-17 Electric circuit control means

Publications (1)

Publication Number Publication Date
GB347229A true GB347229A (xx) 1931-04-24

Family

ID=27014063

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2586/30A Expired GB347229A (xx) 1929-09-16 1930-01-24

Country Status (4)

Country Link
US (1) US1952384A (xx)
DE (1) DE539199C (xx)
FR (1) FR689785A (xx)
GB (1) GB347229A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5816655A (en) * 1997-02-20 1998-10-06 Hoegh; Poul E. Armchair with seatlift

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2215666A (en) * 1937-02-04 1940-09-24 Oscar H Pieper Extensible chair
US6073892A (en) * 1996-06-11 2000-06-13 Chief Manufacturing, Inc. Modular projector lift

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5816655A (en) * 1997-02-20 1998-10-06 Hoegh; Poul E. Armchair with seatlift

Also Published As

Publication number Publication date
US1952384A (en) 1934-03-27
DE539199C (de) 1931-11-24
FR689785A (xx) 1930-10-02

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